Would you like to have clear vision each morning you wake up without the need to put on glasses? If you would but are someone who is not suitable to undergo laser eye surgery then you should think about wearing extended wear contact lenses.
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When it comes to these types of contact lenses, unlike daily wear or disposable contacts, they enable you to wear them for as much as seven days at the time without the need to remove them each night to clean. However, there are now ones of the market that are being marketed as being able to be worn for up to 30 days without the need for them to be removed. Although they look like conventional contact lenses these have the ability to allow plenty of oxygen to pass through them and reach the cornea.
Yes extended wear contact lenses are designed to be worn continuously for up to 30 days it doesn’t mean you have to. Just like conventional contact lenses if you wish to remove then and then use them on other days you can. It is important however that after removing them you clean and store them properly to minimize any possibility of eye infections. So you are the one in control of when and for how long you actually wear them.
So what sorts of extended wear contact lenses can one use these days? Below we take a look at some of the soft contact lenses available that your optician may recommend.
1. Bausch & Lomb PureVision
These are monthly disposable lenses and are made of materials using 62% polymer and 38% water. Not only do these lenses allow a great deal more oxygen to enter the eye underneath but also a lot of moisture as well.
So wearing them is not only easy but many people find them very comfortable to wear. However as soon as you remove these lenses whether after 7 or 30 days use they need to be disposed of immediately.
2. Ciba Vision Air Optix Night & Day Aqua
These are one of the first types of silicone hydrogel extended wear contact lenses to be produced that received FDA (Food & Drug Administration) approval I in the USA.
Just like all the other lenses discussed in this article they can be worn for continuously for up to 30 days so you don’t need to worry about taking them out before you go to bed each night. These are particular good lenses to wear if you suffer from any kinds of allergies.
3. Cooper Vision Preference
The three varieties of extended wear lenses that Cooper Vision offers in the Preference range will ensure that those wearing will experience clear sharp vision at all times when being worn with virtually no discomfort.
The DW/FW type are made of 57% Polymer and 43% Water, whereas the Toric extended wear contact lenses are made from 42.5% Water and 57.5% Polymer. Then we have the Standard version of these lenses which are made from 56.6% Polymer and 43.5% Water.
The polymer that is used in the making of these is called Tetrafilcon A and ensures that sufficient amounts of oxygen and moisture are able to pass through the lens to the cornea behind.
Although these extended wear contact lenses can be worn for up to 30 days at a time if you wish to take them out you can and place them in a solution to keep them from drying out. They are slightly tinted but this doesn’t change the color of the wearer’s eyes to help when locating them in the solution.
These products are in general for people who are nearsighted or even with astigmatism. If you order replacement lenses online, most stores will require a prescription from your eye doctor before the order can be processed.